Binary data clustering by Matrix factorization

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I have read an article talking about binary clustering using Matrix factorization(see attached), but i would like to understand some optimization concepts:

  • Is it reasonable to use a Frobenius norm in such optimization?
  • What does it mean the centroid constraint: C^T*1=0, and why it is equivalent to K-means especially in this case (When rho is large)?
  • Is there other constraints that could improve clustering optimization?
  • Is there other optimization technique in place of DPLM(Discrete Proximal Linearized Minimization)?

Binary data clustering by Matrix factorization

user40370

Posted 2020-08-17T18:45:38.490

Reputation: 1

Hi. I just want to let you know that you cause use latex on this site. – nbro – 2020-08-18T00:11:40.430

Could you link the whole article? – Tinu – 2020-08-18T07:40:27.347

No answers